'Implementing CRUD functions in JavaScript with an object
So I've been trying to implement the CRUD functions into my application (which is a quote generator). Quotes are stored inside of an object:
const citati = [
{
id: 1,
name: "First, solve the problem. Then, write the code. - John Johnson",
},
{
id: 2,
name: "Java is to JavaScript what car is to Carpet. - Chris Heilmann",
},
{
id: 3,
name: "Any fool can write code that a computer can understand. Good programmers write code that humans can understand. - Martin Fowler",
},
{
id: 4,
name: "Code is like humor. When you have to explain it, it's bad. - Cory House",
},
{
id: 5,
name: "Optimism is an occupational hazard of programming: feedback is the treatment. - Kent Beck",
},
{ id: 6, name: "Simplicity is the soul of efficiency. - Austin Freeman" },
{
id: 7,
name: "Before software can be reusable it first has to be usable. - Ralph Johnson",
},
{ id: 8, name: "It's harder to read code than to write it. — Joel Spolsky" },
{ id: 9, name: "Deleted code is debugged code. - Jeff Sickel" },
];
And the HTML code is as follows:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" href="main.css" />
<title>Quote Generator</title>
</head>
<body>
<div class="container">
<div class="title">- Quote Generator -</div>
<div class="list">
<h4>Search your quote:</h2>
<input
autofocus
placeholder="search"
class="input"
type="text"
autocomplete="off"
name="search"
id="search"
/>
<ul class="list-group" id="list"></ul>
</div>
<div id="quote-generator">
<button id="btn" class="btn randomQuote">Press for a new quote!</button>
<div id="output" class="txt">Press the button to generate a new quote!</div>
<button id="btnCreate">Add</button>
<button id="btnUpdate" class="update">Update</button>
<button class="check">Check</button>
</div>
</div>
<script src="main.js"></script>
</body>
</html>
I've tried implementing the Create function:
btnCreate.addEventListener("click", function () {
citati.push({
name: prompt("Unesite citat i autora u obliku: citat - autor"),
});
});
But I still need to add the id in the function (tips for that are welcome). Now, I think I should be using the id's in the object for other functions but I am kind of lost and don't know how. The main idea is to update/delete the currently displayed quote. How do I get the current quote that is displayed? I tried with findIndex:
const outputTxt = document.querySelector(".txt").textContent;
function objIndex(citat) {
return citat.name === outputTxt;
}
document.querySelector(".check").addEventListener("click", function () {
console.log(citati.findIndex(objIndex));
});
But it doesn't work the right way. If anyone could help with this matter I would be very grateful :)
Cheers!
P.S. here is the whole code if anyone needs to see it: https://github.com/msostaric-hub/app1
--SOLUTION--
Update: I figured it out! Here is the code that did the trick:
document.querySelector(".check").addEventListener("click", function () {
const outputTxt = document.querySelector(".txt").textContent;
const index = citati.findIndex((x) => x.name === outputTxt);
citati[index] = {
name: prompt("Unesite citat i autora u obliku: citat - autor"),
};
});
Sources
This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.
Source: Stack Overflow
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